16 lines
388 B
Rust
16 lines
388 B
Rust
#![allow(stable_features)]
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#![feature(allocator_api, nonnull)]
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use std::alloc::{Alloc, Global, Layout, handle_alloc_error};
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fn main() {
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unsafe {
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let ptr = Global.alloc_one::<i32>().unwrap_or_else(|_| {
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handle_alloc_error(Layout::new::<i32>())
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});
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*ptr.as_ptr() = 4;
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assert_eq!(*ptr.as_ptr(), 4);
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Global.dealloc_one(ptr);
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}
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}
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